[txhurl]

Could make a difference if you’re trying to say, land a Mars rover.

[Sacajaweau]

Or MISS the Chinese Embassy.

[ctdonath2]

“Could make a difference if you’re trying to say, land a Mars rover.”

What did make the difference was feet vs meters.
Those units got confused between two software modules for a Mars lander, which decided it was on the ground so it shut off its retrorocket. Problem was, because the wrong units were used, it was still two miles up.
Splat.

[magslinger]

Or design a space telescope.